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Finding the Fourth Proportional to 362,606.31, 543,909.45 and 137,914.83

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Solution

The fourth proportional to 362,606.31, 543,909.45 and 137,914.83 is: 206,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,606.31 : 543,909.45 = 137,914.83 : x
  2. Step 2: Convert to fraction form
    362,606.31/543,909.45 = 137,914.83/x
  3. Step 3: Cross multiply
    362,606.31x = 543,909.45 × 137,914.83
  4. Step 4: Simplify right side
    362,606.31x = 75,013,179,332.14
  5. Step 5: Solve for x
    x = 75,013,179,332.14/362,606.31
  6. Step 6: Final answer
    x = 206,872.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.